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informer(One providing criminal information), noun accuser, auctor, complainant, criminal information supplier, impeacher, indicter, informant, information supplier, one who supplies criminal information to the police, police tipper, squealer, tipster, witness against
Associated concepts: corroboration, reliable informer
informer(A person who provides information), noun adviser, an noun cer, annunciator, communicant, courier, crier, delator, divulger, envoy, harbinger, intelligencer, messenger, notifier, proclaimer, relater, reporter, source, spokesman, teller, tipper, tipster, warner
See also: accuser, bystander, deponent, eyewitness, harbinger, indicator, informant, spy, witness
INFORMER. A person who informs or prefers an accusation against another,
whom he suspects of the violation of some penal statute.
2. When the informer is entitled to the penalty or part of the penalty, upon the conviction of an offender, he is or is not a competent witness, accordingly as the statute creating the penalty has or has not made him so. 1 Phil. Ev. 97; Rosc. Cr. Ev. 107; 5 Mass. R. 57; 1 Dall. 68; 1 Saund. 262, c. Vide articles Prosecutor; Rewards.